<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <meta http-equiv="X-UA-Compatible" content="ie=edge">
    <title>Document</title>
</head>
<style>
    #map {
        display: block;
        width: 600px;
        height: 600px;
        border: 1px solid #333333;
        background-color: #FFFFCC;
        margin: 0 auto;
    }
    
    div {
        float: left;
        box-sizing: border-box;
        background-size: 40px;

    }
</style>

<body>
    <span id="map"></span>

    <script src="js/obj.js"></script>
    <script>

        let game=new Game();
        game.play();
    </script>

</body>

</html>